CN218111601U

CN218111601U - Plastic mould ejection mechanism

Info

Publication number: CN218111601U
Application number: CN202222136097.1U
Authority: CN
Inventors: 黄念
Original assignee: Dongguan Qinda Mold Products Co ltd
Current assignee: Dongguan Qinda Mold Products Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-23
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a plastic mould ejection mechanism, including cover half, movable mould and ejection mechanism body, the ejection mechanism body is including pushing down structure and ejecting structure, push down the structure including cup jointing in the installing frame on movable mould bottom surface. The utility model discloses in, be provided with the cover half, movable mould and ejection mechanism, and ejection mechanism is including pushing down structure and ejection structure, it is including installing in the installing frame on movable mould surface and installing in the U-shaped mounting panel of cover half bottom to push down the structure, there is the lifter plate U-shaped mounting panel bottom through spring coupling, lifter plate fixed surface has two ejector pins, when movable mould and cover half compound die, the lifter plate is pushed down to the depression bar that pushes down the structure through both sides, make the ejector pin top withdraw from the die cavity of cover half, when movable mould and cover half drawing of patterns, under spring tension, the ejector pin can be automatic ejecting with the plastic product in the die cavity, this ejection mechanism need not insert the power supply in addition, can realize ejecting of product through the removal of movable mould and cover half itself.

Description

Plastic mould ejection mechanism

Technical Field

The utility model relates to the technical field of mold, especially, relate to a plastic mould ejection mechanism.

Background

The plastic mold is a short name of a combined mold for compression molding, extrusion molding, injection, blow molding and low-foaming molding, a series of plastic parts with different shapes and sizes can be processed by the coordination change of a convex mold, a concave mold and an auxiliary molding system of the mold, and when plastic products are produced by injection molding of the mold, the plastic products need to be ejected out of a mold cavity of the mold by using an ejection mechanism.

The existing ejection mechanisms for the plastic molds are all ejecting products by adopting telescopic structures such as electric push rods or air cylinders, the ejection mode can be realized by connecting power sources (for example, the electric push rods need to be matched with electric energy), the energy consumption is increased, and the integral use cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic mold ejection mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a plastic mould ejection mechanism, includes cover half, movable mould and ejection mechanism body, the ejection mechanism body is including pushing down structure and ejection structure, the structure of pushing down is including cup jointing in the installing frame of movable mould bottom surface, the installing frame both sides all are fixed with the curb plate, curb plate lower fixed surface has the depression bar, ejection structure is including cup jointing in the U-shaped mounting panel of cover half bottom, U-shaped mounting panel lower fixed surface has two springs, two the spring bottom is connected with the lifter plate jointly, lifter plate upper surface middle part is equipped with a plurality of ejector pins, the die cavity has been seted up on the cover half top, inside just being located the die cavity bottom of cover half has seted up a plurality of perforation.

Furthermore, the lower surface of the fixed die is fixed with four supporting columns, the bottom ends of the supporting columns are fixedly connected with a bottom plate together, and after the fixed die is supported by the supporting columns, a space for installing an ejection structure is formed at the bottom.

Furthermore, the inside two first splint that are equipped with of installing frame, two one side that first splint kept away from each other all is fixed with two guide bars, two the guide bar other end passes the installing frame and with installing frame sliding connection for two first splint can remove in the installing frame along the direction of guide bar.

Further, the mounting frame both sides are close to the equal threaded connection in two first splint middle parts and have a hexagon socket head cap screw, the one end that hexagon socket head cap screw is located the mounting frame passes through the bearing with first splint and rotates to be connected, can drive first splint and remove in the mounting frame through rotating hexagon socket head cap screw.

Furthermore, two second splint, two are equipped with to U-shaped mounting panel inside the second splint bottom all is fixed with the slider, the spout has all been seted up to diapire both sides in the U-shaped mounting panel, and slider and spout sliding connection for two first splint can remove in the U-shaped mounting panel through the slider along the direction of spout.

Further, the equal screw thread in U-shaped mounting panel both sides rotates and is connected with second hexagon socket head cap screw, the one end that second hexagon socket head cap screw is located the U-shaped mounting panel passes through the bearing with second splint and rotates and be connected, can drive the second splint and remove in the U-shaped mounting panel through rotating second hexagon socket head cap screw.

Furthermore, a plurality of round holes have been seted up at U-shaped mounting panel middle part, and is a plurality of the ejector pin top passes a plurality of round holes and a plurality of perforation in proper order and extends to the die cavity to can be through the ejector pin ejecting with the plastic product in the die cavity.

The utility model has the advantages that:

the utility model discloses when using, through setting up the cover half, movable mould and ejection mechanism, and ejection mechanism is including pushing down structure and ejecting structure, pushing down the structure including installing in the installing frame on movable mould surface and installing in the U-shaped mounting panel of cover half bottom, there is the lifter plate U-shaped mounting panel bottom through spring coupling, lifter plate fixed surface has two ejector pins, when movable mould and cover half compound die, pushing down the structure and pushing down the lifter plate through the depression bar of both sides, make the ejector pin top withdraw from the die cavity of cover half, when movable mould and cover half drawing of patterns, under spring tension, the ejector pin can be automatic ejecting with the plastic product in the die cavity, this ejection mechanism need not insert the power supply in addition, can realize ejecting of product through the removal of movable mould and cover half itself, and pushing down structure and ejection structure and the installation of movable mould and cover half do not need the trompil, it is more convenient to install.

Drawings

Fig. 1 is a perspective view of the ejection mechanism of the present invention;

FIG. 2 is a schematic diagram of the movable mold and the fixed mold after the mold assembly;

fig. 3 is the drawing of patterns of the movable mold and the fixed mold of the utility model.

Illustration of the drawings:

1. fixing a mold; 2. moving the mold; 3. a support pillar; 4. a base plate; 5. installing a frame; 6. a U-shaped mounting plate; 7. a first splint; 8. a guide bar; 9. a first hexagon socket head cap screw; 10. a side plate; 11. a pressure lever; 12. a second splint; 13. a chute; 14. a slider; 15. a second hexagon socket screw; 16. a circular hole; 17. a lifting plate; 18. a spring; 19. a top rod; 20. a mold cavity; 21. and (6) perforating.

Detailed Description

As shown in fig. 1-3, relate to a plastic mould ejection mechanism, including cover half 1, movable mould 2 and ejection mechanism body, the ejection mechanism body includes pushing down structure and ejection structure, pushing down the structure including cup jointing in the installing frame 5 of movable mould 2 bottom surface, 5 both sides of installing frame all are fixed with curb plate 10, curb plate 10 lower surface fixing has depression bar 11, ejection structure includes cup jointing in the U-shaped mounting panel 6,U shape mounting panel 6 lower surface fixing of cover half 1 bottom has two springs 18, two springs 18 bottom are connected with lifter plate 17 jointly, lifter plate 17 upper surface middle part is equipped with a plurality of ejector pins 19, cover half 1 top has seted up die cavity 20, cover half 1 is inside and be located the die cavity 20 bottom and seted up a plurality of perforation 21. Four support columns 3 are fixed on the lower surface of the fixed die 1, and a bottom plate 4 is fixedly connected to the bottom ends of the four support columns 3 together.

Two first splint 7 are arranged inside the mounting frame 5, two guide rods 8 are fixed on one side of the two first splint 7 which is far away from each other, and the other ends of the two guide rods 8 penetrate through the mounting frame 5 and are connected with the mounting frame 5 in a sliding manner. Equal threaded connection in installing frame 5 both sides is close to two first splint 7 middle parts has first hexagon socket head cap screw 9, and first hexagon socket head cap screw 9 is located the one end in installing frame 5 and passes through the bearing rotation with first splint 7 to be connected, through overlapping installing frame 5 on 2 bottom surfaces of movable mould, then twists and move first hexagon socket head cap screw 9, can drive first splint 7 centre gripping on 2 surfaces of movable mould, makes from this and pushes down the structure and can fix in 2 bottoms of movable mould.

Two second clamping plates 12 are arranged inside the U-shaped mounting plate 6, sliding blocks 14 are fixed at the bottom ends of the two second clamping plates 12, sliding grooves 13 are formed in two sides of the bottom wall of the U-shaped mounting plate 6, and the sliding blocks 14 are connected with the sliding grooves 13 in a sliding mode. The equal screw thread in U-shaped mounting panel 6 both sides is rotated and is connected with second hexagon socket head cap screw 15, the one end that second hexagon socket head cap screw 15 is located U-shaped mounting panel 6 passes through the bearing with second splint 12 and rotates and be connected, ejector pin 19 passes through threaded connection with lifter plate 17, therefore when installing ejecting structure, at first cup joint U-shaped mounting panel 6 in cover half 1 bottom, then twist and move second hexagon socket head cap screw 15, it is fixed to make second splint 12 press from both sides cover half 1, pass perforation 21 and round hole 16 and lifter plate 17 fixed surface with ejector pin 19 bottom after that, accomplish ejecting structure's installation from this.

A plurality of round holes 16 have been seted up at 6 middle parts of U-shaped mounting panel, and a plurality of ejector pins 19 top passes a plurality of round holes 16 and a plurality of perforation 21 in proper order and extends to the die cavity 20 in, and pulling force through spring 18 can drive lifter plate 17 and rise to make ejector pin 19 can be ejecting with the plastic product in the die cavity 20.

When in use: when the movable mold 2 descends and is matched with the fixed mold 1, the pressure rod 11 can prop against the lifting plate 17 (as shown in fig. 2), at the moment, the lifting plate 17 overcomes the tensile force of the spring 18 to drive the ejector rod 19 to retract into the through hole 21 from the mold cavity 20, at the moment, injection molding can be carried out, after the injection molding is completed, the movable mold 2 ascends and is separated from the fixed mold 1 (as shown in fig. 3), the pressure rod 11 ascends along with the movable mold 2, at the moment, the lifting plate 17 ascends and resets under the tensile force of the spring 18, therefore, the top of the ejector rod 19 penetrates through the through hole 21 to eject out a plastic product in the mold cavity 20, the ejection mechanism does not need to be additionally connected with a power source, and the ejection of the product is more energy-saving.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a plastic mould ejection mechanism which characterized in that: including cover half (1), movable mould (2) and ejection mechanism body, the ejection mechanism body is including pushing down the structure and ejecting structure, push down the structure including cup jointing in installing frame (5) on movable mould (2) bottom surface, installing frame (5) both sides all are fixed with curb plate (10), curb plate (10) lower fixed surface has depression bar (11), ejection structure is including cup jointing in U-shaped mounting panel (6) of cover half (1) bottom, U-shaped mounting panel (6) lower fixed surface has two springs (18), two spring (18) bottom is connected with lifter plate (17) jointly, lifter plate (17) upper surface middle part is equipped with a plurality of ejector pins (19), die cavity (20) have been seted up on cover half (1) top, cover half (1) inside just is located die cavity (20) bottom and has seted up a plurality of perforation (21).

2. The plastic mold ejection mechanism of claim 1, wherein: the fixed mould (1) lower surface is fixed with four support columns (3), four the common fixedly connected with bottom plate (4) in support column (3) bottom.

3. The plastic mold ejection mechanism of claim 1, wherein: installing frame (5) inside is equipped with two first splint (7), two one side that first splint (7) kept away from each other all is fixed with two guide bar (8), two guide bar (8) other end pass installing frame (5) and with installing frame (5) sliding connection.

4. The plastic mold ejection mechanism of claim 3, wherein: installing frame (5) both sides are close to two first splint (7) middle parts equal threaded connection has first hexagon socket head cap screw (9), the one end that first hexagon socket head cap screw (9) are located installing frame (5) is connected through bearing rotation with first splint (7).

5. The plastic mold ejection mechanism of claim 1, wherein: u-shaped mounting panel (6) inside is equipped with two second splint (12), two second splint (12) bottom all is fixed with slider (14), spout (13) have all been seted up to bottom wall both sides in U-shaped mounting panel (6), and slider (14) and spout (13) sliding connection.

6. The plastic mold ejection mechanism of claim 5, wherein: the U-shaped mounting plate (6) both sides equal screw thread rotate be connected with second hexagon socket head cap screw (15), second hexagon socket head cap screw (15) are located the one end of U-shaped mounting plate (6) and are connected through the bearing rotation with second splint (12).

7. The plastic mold ejection mechanism of claim 1, wherein: a plurality of round holes (16) have been seted up in U-shaped mounting panel (6) middle part, and is a plurality of ejector pin (19) top passes a plurality of round holes (16) and a plurality of perforation (21) in proper order and extends to in die cavity (20).